From mboxrd@z Thu Jan 1 00:00:00 1970 From: Loic Dachary Subject: Re: [ceph-users] Monitor upgrade issue when running "ceph osd pool set ..." commands Date: Tue, 19 Nov 2013 08:12:36 +0100 Message-ID: <528B0F64.2010301@dachary.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from smtp.dmail.dachary.org ([91.121.254.229]:42033 "EHLO smtp.dmail.dachary.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750980Ab3KSHMi (ORCPT ); Tue, 19 Nov 2013 02:12:38 -0500 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Gregory Farnum , "ceph-devel@vger.kernel.org" , "ceph-users@lists.ceph.com" On 19/11/2013 03:19, Gregory Farnum wrote: > All, >=20 > We've just discovered an issue that impacts some users running any of > the "ceph osd pool set" family of commands while some of their > monitors are running Dumpling and some are running Emperor. Doing so > can result in the commands being interpreted incorrectly and your > cluster being accidentally misconfigured (eg, accidentally setting > extremely large pg_num values). >=20 > The solution is simple: don't run "ceph osd pool set" commands while > your monitors are running different versions. We will have a point > release out in the next few days to resolve this issue. For more > information, you can refer to http://tracker.ceph.com/issues/6796. >=20 > Relatedly, I'm proud to announce this issue was discovered by our > automated upgrade testing and we have not seen reports of it from any > users. Thank you to our dedicated Q/A developers and testers! :) Hi Greg, This is great news ! From the point of view of my compan ( and I suspec= t any company which is not Inktank ), the completness of the integratio= n tests ( do upgrade tests count as integration tests ? ) means both a = more robust product but also a framework to diagnose and fix problems t= hat are otherwise difficult to track down independently. Cheers > -Greg > Software Engineer #42 @ http://inktank.com | http://ceph.com > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >=20 --=20 Lo=EFc Dachary, Artisan Logiciel Libre -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html